Klyuchevskoy Volcano Volcanic Ash Advisory: ERUPTION AT 20200522/2010Z FL230 EXTD S-SE REPORTED to 23000 ft (7000 m)

Fri, 22 May 2020, 21:15
21:15 PM | BY: VN
Satellite image of Klyuchevskoy volcano on 22 May 2020
Satellite image of Klyuchevskoy volcano on 22 May 2020
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 and is moving at 20 kts in SE direction.
The full report is as follows:

FVFE01 at 21:08 UTC, 22/05/20 from RJTD
VA ADVISORY
DTG: 20200522/2108Z
VAAC: TOKYO
VOLCANO: KLYUCHEVSKOY 300260
PSN: N5603 E16039
AREA: RUSSIA
SUMMIT ELEV: 4754M
ADVISORY NR: 2020/229
INFO SOURCE: HIMAWARI-8 KBGS
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: ERUPTION AT 20200522/2010Z FL230 EXTD S-SE REPORTED

OBS VA DTG: 22/2020Z
OBS VA CLD: SFC/FL230 N5604 E16038 - N5610 E16046 - N5558 E16104 -
N5547 E16057 MOV SE 20KT
FCST VA CLD +6 HR: 23/0220Z SFC/FL220 N5526 E16147 - N5508 E16222 -
N5444 E16225 - N5437 E16206 - N5505 E16128
FCST VA CLD +12 HR: 23/0820Z SFC/FL220 N5425 E16331 - N5403 E16418 -

N5324 E16432 - N5305 E16337 - N5356 E16237
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20200523/0000Z=

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NASA photo of the eruption of Klyuchevsky volcano on 30 September, 1994, the volcano's largest explosion in 40 years. The large
NASA photo of the eruption of Klyuchevsky volcano on 30 September, 1994, the volcano's largest explosion in 40 years. The large

Background:

Kliuchevskoi is Kamchatka's highest and most active volcano.  Since its origin about 6000 years ago, the beautifully symmetrical, 4835-m-high basaltic stratovolcano has produced frequent moderate-volume explosive and effusive eruptions without major periods of inactivity.  Kliuchevskoi rises above a saddle NE of sharp-peaked Kamen volcano and lies SE of the broad Ushkovsky massif.  More than 100 flank eruptions have occurred at Kliuchevskoi during the past roughly 3000 years, with most lateral craters and cones occurring along radial fissures between the unconfined NE-to-SE flanks of the conical volcano between 500 m and 3600 m elevation.  The morphology of its 700-m-wide summit crater has been frequently modified by historical eruptions, which have been recorded since the late-17th century.  Historical eruptions have originated primarily from the summit crater, but have also included numerous major explosive and effusive eruptions from flank craters.


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Source: Klyuchevsky information by the GVP (Smithsonian Institution)



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